Description

Allyldiethoxymethylsilane is a versatile organosilicon compound featuring both alkoxy and unsaturated allyl functional groups. This dual functionality makes it a valuable intermediate for introducing silicon-based cross-linking and adhesion-promoting properties into polymer systems. It is primarily utilized in the synthesis of silicone resins, as a coupling agent in composite materials, and for surface modification. Industries such as specialty polymers, coatings, adhesives, and electronics rely on this chemical for its ability to enhance material performance and durability.

Application

• Silicone Resin & Polymer Synthesis: A key monomer or cross-linking agent in the production of heat-resistant and durable silicone polymers.
• Surface Modification & Coupling Agent: Improves adhesion between organic polymers and inorganic substrates like glass, metals, or minerals in composite materials.
• Coatings & Adhesives: Imparts water repellency, chemical resistance, and improved bonding in high-performance coating and adhesive formulations.
• Electronics Encapsulation: Used in potting compounds and encapsulants to protect electronic components from moisture and environmental stress.
• Rubber & Elastomer Additive: Acts as a cross-linker or processing aid to enhance the properties of silicone and other specialty rubbers.
• Chemical Intermediate: Serves as a precursor for further chemical synthesis, including the creation of other functional silanes and silicon-containing specialty chemicals.

Basic Information

Product Name	Allyldiethoxymethylsilane
CAS No.	18388-45-9
Molecular Formula	C8H18O2Si
Molecular Weight	174.31 g/mol
Synonyms	Allyl(methyl)diethoxysilane; Diethoxy(allyl)methylsilane; Allylmethyldiethoxysilane; Methylallyldiethoxysilane; (Allyl)(methyl)diethoxysilane; Silane, allylmethyldiethoxy-; 3-Buten-1-yl, 1,1-diethoxy-1-methyl-
EINECS	242-245-9

Quality Control

Our Allyldiethoxymethylsilane is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including gas chromatography (GC) for assay and impurity profiling, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, containers must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	0.88 - 0.90 g/mL
Refractive Index (n20/D)	1.405 - 1.415

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.